CIP2A and colorectal carcinoma: Cancerous inhibitor of protein phosphatase 2A (CIP2A, also known as p90 tumor‐associated antigen or KIAA1524) has been reported to be overexpressed in cancer and is an emerging predictor for prognosis in various cancer types including CRC (Bockelman et al., 2011; Dong et al., 2011; Liu et al., 2014; Teng et al., 2012).